Denne standard definerer r?r og r?rkomponenters nominelle diameter.
DS/ISO 6708:1988 history
1995DS/EN ISO 6708:1995 Pipework components - Definition and selection of DN (nominal size)
1988DS/ISO 6708:1988 Pipe components. Definition of nominal size
DS/ISO 6708:1988 Pipe components. Definition of nominal size was changed to DS/EN ISO 6708:1995 Pipework components - Definition and selection of DN (nominal size).